The Book Pertaining to the Oath, for Establishing the Responsibility of Murders, Fighting, Requital and Blood-Wit (Kitab Al-Kitab Al-Qasama wa'l-Muharaba wa'l-Qisas wa'l-Diyat)

Muslim :: Book 16 : Hadith 4154

'Abdullah (b. Mas'ud) reported: Allah's Messenger (may peace be upon him) stood up and said: By Him besides Whom there is no god but He, the blood of a Muslim who bears the testimony that there is no god but Allah, and I am His Messenger, may be lawfully shed only in case of three persons: the one who abandons Islam, and deserts the community [Ahmad, one of the narrators, is doubtful whether the Holy Prophet (may peace be upon him) used the word li'l-jama'ah or al-jama'ah), and the married adulterer, and life for life.